./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ac32c376f816320ca3aac8b16cdfd984f37d577 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:14:15,964 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:14:15,965 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:14:15,971 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:14:15,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:14:15,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:14:15,973 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:14:15,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:14:15,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:14:15,975 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:14:15,976 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:14:15,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:14:15,976 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:14:15,977 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:14:15,977 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:14:15,978 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:14:15,978 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:14:15,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:14:15,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:14:15,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:14:15,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:14:15,982 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:14:15,984 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:14:15,984 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:14:15,984 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:14:15,984 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:14:15,985 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:14:15,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:14:15,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:14:15,987 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:14:15,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:14:15,987 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:14:15,987 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:14:15,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:14:15,988 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:14:15,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:14:15,989 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 02:14:15,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:14:15,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:14:15,997 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:14:15,997 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 02:14:15,997 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 02:14:15,997 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 02:14:15,997 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 02:14:15,997 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 02:14:15,997 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 02:14:15,997 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 02:14:15,998 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 02:14:15,998 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 02:14:15,998 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 02:14:15,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:14:15,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 02:14:15,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:14:16,000 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:14:16,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:14:16,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 02:14:16,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:14:16,000 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 02:14:16,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:14:16,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:14:16,000 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:14:16,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:14:16,001 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 02:14:16,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:14:16,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 02:14:16,001 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 02:14:16,001 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ac32c376f816320ca3aac8b16cdfd984f37d577 [2018-12-09 02:14:16,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:14:16,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:14:16,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:14:16,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:14:16,028 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:14:16,029 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c [2018-12-09 02:14:16,066 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/data/8c33f5c36/3adc7d06fb7546b1960f06aea190191f/FLAGf3bed9b7b [2018-12-09 02:14:16,445 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:14:16,445 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/sv-benchmarks/c/eca-rers2012/Problem16_label28_true-unreach-call.c [2018-12-09 02:14:16,454 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/data/8c33f5c36/3adc7d06fb7546b1960f06aea190191f/FLAGf3bed9b7b [2018-12-09 02:14:16,463 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/data/8c33f5c36/3adc7d06fb7546b1960f06aea190191f [2018-12-09 02:14:16,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:14:16,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:14:16,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:14:16,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:14:16,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:14:16,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:16,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643265e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16, skipping insertion in model container [2018-12-09 02:14:16,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:16,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:14:16,510 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:14:16,804 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:14:16,807 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 02:14:16,973 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:14:16,983 INFO L195 MainTranslator]: Completed translation [2018-12-09 02:14:16,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16 WrapperNode [2018-12-09 02:14:16,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 02:14:16,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 02:14:16,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 02:14:16,984 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 02:14:16,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 02:14:17,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 02:14:17,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 02:14:17,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 02:14:17,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... [2018-12-09 02:14:17,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 02:14:17,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 02:14:17,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 02:14:17,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 02:14:17,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 02:14:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 02:14:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 02:14:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 02:14:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 02:14:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 02:14:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 02:14:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 02:14:17,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 02:14:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 02:14:17,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 02:14:18,350 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 02:14:18,350 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 02:14:18,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:14:18 BoogieIcfgContainer [2018-12-09 02:14:18,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 02:14:18,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 02:14:18,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 02:14:18,355 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 02:14:18,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:14:16" (1/3) ... [2018-12-09 02:14:18,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:14:18, skipping insertion in model container [2018-12-09 02:14:18,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:14:16" (2/3) ... [2018-12-09 02:14:18,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6aa8a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:14:18, skipping insertion in model container [2018-12-09 02:14:18,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:14:18" (3/3) ... [2018-12-09 02:14:18,357 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label28_true-unreach-call.c [2018-12-09 02:14:18,365 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 02:14:18,372 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 02:14:18,386 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 02:14:18,414 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 02:14:18,414 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 02:14:18,414 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 02:14:18,415 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 02:14:18,415 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 02:14:18,415 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 02:14:18,415 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 02:14:18,415 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 02:14:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 02:14:18,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 02:14:18,436 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:14:18,437 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:14:18,438 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:14:18,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:14:18,442 INFO L82 PathProgramCache]: Analyzing trace with hash 259572933, now seen corresponding path program 1 times [2018-12-09 02:14:18,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:14:18,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:18,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:14:18,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:18,474 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:14:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:14:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:14:18,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:14:18,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 02:14:18,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:14:18,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 02:14:18,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 02:14:18,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 02:14:18,677 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 02:14:19,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:14:19,772 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 02:14:19,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 02:14:19,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2018-12-09 02:14:19,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:14:19,787 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 02:14:19,787 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 02:14:19,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 02:14:19,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 02:14:19,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 02:14:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 02:14:19,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1166 transitions. [2018-12-09 02:14:19,859 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1166 transitions. Word has length 72 [2018-12-09 02:14:19,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:14:19,859 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1166 transitions. [2018-12-09 02:14:19,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 02:14:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1166 transitions. [2018-12-09 02:14:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 02:14:19,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:14:19,865 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:14:19,865 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:14:19,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:14:19,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1254837677, now seen corresponding path program 1 times [2018-12-09 02:14:19,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:14:19,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:19,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:14:19,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:19,867 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:14:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:14:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:14:20,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:14:20,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 02:14:20,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:14:20,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 02:14:20,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 02:14:20,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 02:14:20,022 INFO L87 Difference]: Start difference. First operand 682 states and 1166 transitions. Second operand 6 states. [2018-12-09 02:14:21,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:14:21,281 INFO L93 Difference]: Finished difference Result 1733 states and 2953 transitions. [2018-12-09 02:14:21,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 02:14:21,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2018-12-09 02:14:21,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:14:21,288 INFO L225 Difference]: With dead ends: 1733 [2018-12-09 02:14:21,288 INFO L226 Difference]: Without dead ends: 1057 [2018-12-09 02:14:21,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:14:21,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2018-12-09 02:14:21,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1039. [2018-12-09 02:14:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2018-12-09 02:14:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1701 transitions. [2018-12-09 02:14:21,321 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1701 transitions. Word has length 179 [2018-12-09 02:14:21,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:14:21,322 INFO L480 AbstractCegarLoop]: Abstraction has 1039 states and 1701 transitions. [2018-12-09 02:14:21,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 02:14:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1701 transitions. [2018-12-09 02:14:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 02:14:21,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:14:21,325 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:14:21,325 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:14:21,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:14:21,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1819152172, now seen corresponding path program 1 times [2018-12-09 02:14:21,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:14:21,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:21,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:14:21,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:21,326 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:14:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:14:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:14:21,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 02:14:21,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 02:14:21,439 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:14:21,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 02:14:21,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 02:14:21,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 02:14:21,440 INFO L87 Difference]: Start difference. First operand 1039 states and 1701 transitions. Second operand 6 states. [2018-12-09 02:14:22,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:14:22,783 INFO L93 Difference]: Finished difference Result 3130 states and 5158 transitions. [2018-12-09 02:14:22,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 02:14:22,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2018-12-09 02:14:22,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:14:22,792 INFO L225 Difference]: With dead ends: 3130 [2018-12-09 02:14:22,792 INFO L226 Difference]: Without dead ends: 2097 [2018-12-09 02:14:22,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:14:22,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2018-12-09 02:14:22,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 2081. [2018-12-09 02:14:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-09 02:14:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3125 transitions. [2018-12-09 02:14:22,838 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3125 transitions. Word has length 182 [2018-12-09 02:14:22,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:14:22,838 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3125 transitions. [2018-12-09 02:14:22,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 02:14:22,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3125 transitions. [2018-12-09 02:14:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-09 02:14:22,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:14:22,841 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:14:22,841 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:14:22,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:14:22,842 INFO L82 PathProgramCache]: Analyzing trace with hash 244891436, now seen corresponding path program 1 times [2018-12-09 02:14:22,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:14:22,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:22,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:14:22,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:14:22,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:14:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:14:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 130 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 02:14:22,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:14:22,973 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:14:22,973 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-12-09 02:14:22,974 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:14:22,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:14:22,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:14:23,201 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 02:14:23,202 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 times. Never merged. Never widened. Performed 1097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 02:14:23,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:14:23,211 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 02:14:23,514 INFO L227 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 78.13% of their original sizes. [2018-12-09 02:14:23,515 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 02:14:23,544 INFO L418 sIntCurrentIteration]: We unified 296 AI predicates to 296 [2018-12-09 02:14:23,545 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 02:14:23,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 02:14:23,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 02:14:23,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:14:23,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 02:14:23,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 02:14:23,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 02:14:23,546 INFO L87 Difference]: Start difference. First operand 2081 states and 3125 transitions. Second operand 6 states. [2018-12-09 02:15:21,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:15:21,605 INFO L93 Difference]: Finished difference Result 4494 states and 6706 transitions. [2018-12-09 02:15:21,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 02:15:21,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 297 [2018-12-09 02:15:21,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:15:21,611 INFO L225 Difference]: With dead ends: 4494 [2018-12-09 02:15:21,611 INFO L226 Difference]: Without dead ends: 2419 [2018-12-09 02:15:21,614 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 297 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 02:15:21,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2018-12-09 02:15:21,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2418. [2018-12-09 02:15:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-12-09 02:15:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3469 transitions. [2018-12-09 02:15:21,652 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3469 transitions. Word has length 297 [2018-12-09 02:15:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:15:21,652 INFO L480 AbstractCegarLoop]: Abstraction has 2418 states and 3469 transitions. [2018-12-09 02:15:21,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 02:15:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3469 transitions. [2018-12-09 02:15:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-12-09 02:15:21,656 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:15:21,656 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:15:21,656 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:15:21,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:15:21,656 INFO L82 PathProgramCache]: Analyzing trace with hash 756913700, now seen corresponding path program 1 times [2018-12-09 02:15:21,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:15:21,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:15:21,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:15:21,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:15:21,657 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:15:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:15:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 288 proven. 110 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 02:15:21,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:15:21,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:15:21,794 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 389 with the following transitions: [2018-12-09 02:15:21,794 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:15:21,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:15:21,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:15:21,974 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 02:15:21,974 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 4 different actions 7 times. Never widened. Performed 3532 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3532 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 02:15:21,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:15:21,979 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 02:15:22,224 INFO L227 lantSequenceWeakener]: Weakened 385 states. On average, predicates are now at 80.69% of their original sizes. [2018-12-09 02:15:22,224 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 02:15:22,263 INFO L418 sIntCurrentIteration]: We unified 387 AI predicates to 387 [2018-12-09 02:15:22,263 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 02:15:22,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 02:15:22,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 02:15:22,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:15:22,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 02:15:22,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 02:15:22,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 02:15:22,264 INFO L87 Difference]: Start difference. First operand 2418 states and 3469 transitions. Second operand 10 states. [2018-12-09 02:17:01,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:17:01,199 INFO L93 Difference]: Finished difference Result 5891 states and 8540 transitions. [2018-12-09 02:17:01,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 02:17:01,199 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 388 [2018-12-09 02:17:01,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:17:01,210 INFO L225 Difference]: With dead ends: 5891 [2018-12-09 02:17:01,211 INFO L226 Difference]: Without dead ends: 3816 [2018-12-09 02:17:01,213 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 397 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 02:17:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2018-12-09 02:17:01,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3458. [2018-12-09 02:17:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3458 states. [2018-12-09 02:17:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 4617 transitions. [2018-12-09 02:17:01,286 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 4617 transitions. Word has length 388 [2018-12-09 02:17:01,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:17:01,286 INFO L480 AbstractCegarLoop]: Abstraction has 3458 states and 4617 transitions. [2018-12-09 02:17:01,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 02:17:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 4617 transitions. [2018-12-09 02:17:01,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2018-12-09 02:17:01,289 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:17:01,290 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:17:01,290 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:17:01,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:17:01,290 INFO L82 PathProgramCache]: Analyzing trace with hash 686945164, now seen corresponding path program 1 times [2018-12-09 02:17:01,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:17:01,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:17:01,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:17:01,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:17:01,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:17:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:17:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 303 proven. 123 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 02:17:01,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:17:01,846 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:17:01,846 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 537 with the following transitions: [2018-12-09 02:17:01,847 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:17:01,852 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:17:01,852 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:17:02,004 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 02:17:02,004 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5197 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 02:17:02,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:17:02,006 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 02:17:02,286 INFO L227 lantSequenceWeakener]: Weakened 533 states. On average, predicates are now at 77.77% of their original sizes. [2018-12-09 02:17:02,286 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 02:17:02,328 INFO L418 sIntCurrentIteration]: We unified 535 AI predicates to 535 [2018-12-09 02:17:02,328 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 02:17:02,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 02:17:02,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-12-09 02:17:02,329 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:17:02,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 02:17:02,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 02:17:02,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 02:17:02,329 INFO L87 Difference]: Start difference. First operand 3458 states and 4617 transitions. Second operand 10 states. [2018-12-09 02:18:22,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:18:22,344 INFO L93 Difference]: Finished difference Result 6914 states and 9354 transitions. [2018-12-09 02:18:22,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 02:18:22,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 536 [2018-12-09 02:18:22,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:18:22,351 INFO L225 Difference]: With dead ends: 6914 [2018-12-09 02:18:22,351 INFO L226 Difference]: Without dead ends: 3799 [2018-12-09 02:18:22,354 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 543 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 02:18:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2018-12-09 02:18:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3797. [2018-12-09 02:18:22,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3797 states. [2018-12-09 02:18:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 4972 transitions. [2018-12-09 02:18:22,399 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 4972 transitions. Word has length 536 [2018-12-09 02:18:22,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:18:22,399 INFO L480 AbstractCegarLoop]: Abstraction has 3797 states and 4972 transitions. [2018-12-09 02:18:22,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 02:18:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4972 transitions. [2018-12-09 02:18:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2018-12-09 02:18:22,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:18:22,403 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:18:22,404 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:18:22,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:18:22,404 INFO L82 PathProgramCache]: Analyzing trace with hash -49386092, now seen corresponding path program 1 times [2018-12-09 02:18:22,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:18:22,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:18:22,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:18:22,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:18:22,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:18:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:18:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 357 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-09 02:18:23,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:18:23,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:18:23,208 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 628 with the following transitions: [2018-12-09 02:18:23,208 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:18:23,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:18:23,212 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:18:24,363 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:18:24,363 INFO L272 AbstractInterpreter]: Visited 250 different actions 1242 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Performed 15047 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15047 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 02:18:24,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:18:24,366 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:18:24,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:18:24,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:18:24,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:18:24,373 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:18:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:18:24,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:18:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 624 proven. 2 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-12-09 02:18:24,651 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:18:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 357 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-12-09 02:18:24,951 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 02:18:24,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-09 02:18:24,951 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 02:18:24,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 02:18:24,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 02:18:24,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-09 02:18:24,952 INFO L87 Difference]: Start difference. First operand 3797 states and 4972 transitions. Second operand 15 states. [2018-12-09 02:18:27,741 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2018-12-09 02:18:31,229 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2018-12-09 02:18:33,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:18:33,425 INFO L93 Difference]: Finished difference Result 7883 states and 10624 transitions. [2018-12-09 02:18:33,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 02:18:33,426 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 627 [2018-12-09 02:18:33,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:18:33,431 INFO L225 Difference]: With dead ends: 7883 [2018-12-09 02:18:33,432 INFO L226 Difference]: Without dead ends: 4229 [2018-12-09 02:18:33,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1326 GetRequests, 1274 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 02:18:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2018-12-09 02:18:33,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 3458. [2018-12-09 02:18:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3458 states. [2018-12-09 02:18:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 3819 transitions. [2018-12-09 02:18:33,469 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 3819 transitions. Word has length 627 [2018-12-09 02:18:33,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:18:33,469 INFO L480 AbstractCegarLoop]: Abstraction has 3458 states and 3819 transitions. [2018-12-09 02:18:33,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 02:18:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 3819 transitions. [2018-12-09 02:18:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2018-12-09 02:18:33,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:18:33,473 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:18:33,473 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:18:33,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:18:33,473 INFO L82 PathProgramCache]: Analyzing trace with hash 19374457, now seen corresponding path program 1 times [2018-12-09 02:18:33,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:18:33,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:18:33,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:18:33,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:18:33,474 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:18:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:18:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 270 proven. 389 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-09 02:18:33,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:18:33,787 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:18:33,787 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 645 with the following transitions: [2018-12-09 02:18:33,787 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:18:33,790 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:18:33,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:18:34,023 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 02:18:34,023 INFO L272 AbstractInterpreter]: Visited 257 different actions 765 times. Merged at 6 different actions 14 times. Never widened. Performed 8987 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8987 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 02:18:34,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:18:34,025 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 02:18:34,315 INFO L227 lantSequenceWeakener]: Weakened 641 states. On average, predicates are now at 80.46% of their original sizes. [2018-12-09 02:18:34,316 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 02:18:34,355 INFO L418 sIntCurrentIteration]: We unified 643 AI predicates to 643 [2018-12-09 02:18:34,355 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 02:18:34,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 02:18:34,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 02:18:34,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:18:34,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 02:18:34,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 02:18:34,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:18:34,356 INFO L87 Difference]: Start difference. First operand 3458 states and 3819 transitions. Second operand 9 states. [2018-12-09 02:19:44,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:19:44,253 INFO L93 Difference]: Finished difference Result 6941 states and 7731 transitions. [2018-12-09 02:19:44,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 02:19:44,253 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 644 [2018-12-09 02:19:44,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:19:44,259 INFO L225 Difference]: With dead ends: 6941 [2018-12-09 02:19:44,259 INFO L226 Difference]: Without dead ends: 4165 [2018-12-09 02:19:44,261 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 650 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 02:19:44,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2018-12-09 02:19:44,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 3475. [2018-12-09 02:19:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3475 states. [2018-12-09 02:19:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 3813 transitions. [2018-12-09 02:19:44,291 INFO L78 Accepts]: Start accepts. Automaton has 3475 states and 3813 transitions. Word has length 644 [2018-12-09 02:19:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:19:44,292 INFO L480 AbstractCegarLoop]: Abstraction has 3475 states and 3813 transitions. [2018-12-09 02:19:44,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 02:19:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3475 states and 3813 transitions. [2018-12-09 02:19:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2018-12-09 02:19:44,297 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:19:44,297 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:19:44,297 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:19:44,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:44,298 INFO L82 PathProgramCache]: Analyzing trace with hash 206186147, now seen corresponding path program 1 times [2018-12-09 02:19:44,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:19:44,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:44,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:44,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:44,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:19:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 572 proven. 511 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-09 02:19:45,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:45,053 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:19:45,053 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 774 with the following transitions: [2018-12-09 02:19:45,053 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:19:45,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:19:45,055 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:19:45,565 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:19:45,565 INFO L272 AbstractInterpreter]: Visited 259 different actions 1290 times. Merged at 9 different actions 38 times. Never widened. Performed 15746 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15746 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 02:19:45,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:45,567 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:19:45,567 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:45,567 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:19:45,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:45,573 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:19:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:45,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:19:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 1023 proven. 2 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2018-12-09 02:19:45,836 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:19:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 671 proven. 110 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2018-12-09 02:19:46,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 02:19:46,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-09 02:19:46,088 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 02:19:46,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 02:19:46,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 02:19:46,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-09 02:19:46,088 INFO L87 Difference]: Start difference. First operand 3475 states and 3813 transitions. Second operand 15 states. [2018-12-09 02:19:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:19:49,621 INFO L93 Difference]: Finished difference Result 8749 states and 9850 transitions. [2018-12-09 02:19:49,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-09 02:19:49,621 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 773 [2018-12-09 02:19:49,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:19:49,634 INFO L225 Difference]: With dead ends: 8749 [2018-12-09 02:19:49,634 INFO L226 Difference]: Without dead ends: 5956 [2018-12-09 02:19:49,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1634 GetRequests, 1576 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=661, Invalid=2645, Unknown=0, NotChecked=0, Total=3306 [2018-12-09 02:19:49,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5956 states. [2018-12-09 02:19:49,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5956 to 5533. [2018-12-09 02:19:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5533 states. [2018-12-09 02:19:49,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5533 states to 5533 states and 6064 transitions. [2018-12-09 02:19:49,691 INFO L78 Accepts]: Start accepts. Automaton has 5533 states and 6064 transitions. Word has length 773 [2018-12-09 02:19:49,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:19:49,691 INFO L480 AbstractCegarLoop]: Abstraction has 5533 states and 6064 transitions. [2018-12-09 02:19:49,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 02:19:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 5533 states and 6064 transitions. [2018-12-09 02:19:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2018-12-09 02:19:49,699 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:19:49,700 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:19:49,700 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:19:49,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:49,700 INFO L82 PathProgramCache]: Analyzing trace with hash -601070877, now seen corresponding path program 1 times [2018-12-09 02:19:49,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:19:49,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:49,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:49,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:49,701 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:19:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2773 backedges. 908 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-12-09 02:19:50,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:50,232 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:19:50,232 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1100 with the following transitions: [2018-12-09 02:19:50,232 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:19:50,234 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:19:50,234 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:19:50,674 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:19:50,674 INFO L272 AbstractInterpreter]: Visited 253 different actions 1019 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 11962 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11962 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 02:19:50,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:50,678 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:19:50,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:50,678 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:19:50,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:50,684 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:19:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:50,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:19:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2773 backedges. 1850 proven. 2 refuted. 0 times theorem prover too weak. 921 trivial. 0 not checked. [2018-12-09 02:19:51,135 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:19:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2773 backedges. 908 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-12-09 02:19:51,578 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 02:19:51,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 02:19:51,579 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 02:19:51,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 02:19:51,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 02:19:51,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 02:19:51,580 INFO L87 Difference]: Start difference. First operand 5533 states and 6064 transitions. Second operand 9 states. [2018-12-09 02:19:52,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:19:52,768 INFO L93 Difference]: Finished difference Result 12122 states and 13488 transitions. [2018-12-09 02:19:52,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 02:19:52,768 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1099 [2018-12-09 02:19:52,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:19:52,777 INFO L225 Difference]: With dead ends: 12122 [2018-12-09 02:19:52,777 INFO L226 Difference]: Without dead ends: 7271 [2018-12-09 02:19:52,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2215 GetRequests, 2199 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 02:19:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2018-12-09 02:19:52,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 6903. [2018-12-09 02:19:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6903 states. [2018-12-09 02:19:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6903 states to 6903 states and 7510 transitions. [2018-12-09 02:19:52,836 INFO L78 Accepts]: Start accepts. Automaton has 6903 states and 7510 transitions. Word has length 1099 [2018-12-09 02:19:52,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:19:52,836 INFO L480 AbstractCegarLoop]: Abstraction has 6903 states and 7510 transitions. [2018-12-09 02:19:52,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 02:19:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6903 states and 7510 transitions. [2018-12-09 02:19:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2018-12-09 02:19:52,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:19:52,844 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:19:52,844 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:19:52,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:52,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1641928256, now seen corresponding path program 1 times [2018-12-09 02:19:52,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:19:52,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:52,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:52,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:52,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:19:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:53,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2779 backedges. 1083 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-12-09 02:19:53,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:53,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:19:53,365 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1101 with the following transitions: [2018-12-09 02:19:53,365 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:19:53,367 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:19:53,368 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:19:53,812 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:19:53,812 INFO L272 AbstractInterpreter]: Visited 253 different actions 1022 times. Merged at 11 different actions 42 times. Widened at 1 different actions 1 times. Performed 11942 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11942 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 02:19:53,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:53,814 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:19:53,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:53,814 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:19:53,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:53,820 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:19:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:53,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:19:54,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2779 backedges. 1617 proven. 2 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2018-12-09 02:19:54,284 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:19:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2779 backedges. 1083 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-12-09 02:19:54,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 02:19:54,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 02:19:54,722 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 02:19:54,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 02:19:54,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 02:19:54,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 02:19:54,723 INFO L87 Difference]: Start difference. First operand 6903 states and 7510 transitions. Second operand 9 states. [2018-12-09 02:19:57,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:19:57,072 INFO L93 Difference]: Finished difference Result 15681 states and 17891 transitions. [2018-12-09 02:19:57,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 02:19:57,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1100 [2018-12-09 02:19:57,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:19:57,093 INFO L225 Difference]: With dead ends: 15681 [2018-12-09 02:19:57,093 INFO L226 Difference]: Without dead ends: 9460 [2018-12-09 02:19:57,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2228 GetRequests, 2206 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 02:19:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9460 states. [2018-12-09 02:19:57,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9460 to 9414. [2018-12-09 02:19:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9414 states. [2018-12-09 02:19:57,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9414 states to 9414 states and 10408 transitions. [2018-12-09 02:19:57,195 INFO L78 Accepts]: Start accepts. Automaton has 9414 states and 10408 transitions. Word has length 1100 [2018-12-09 02:19:57,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:19:57,196 INFO L480 AbstractCegarLoop]: Abstraction has 9414 states and 10408 transitions. [2018-12-09 02:19:57,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 02:19:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand 9414 states and 10408 transitions. [2018-12-09 02:19:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2018-12-09 02:19:57,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:19:57,205 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:19:57,205 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:19:57,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:57,205 INFO L82 PathProgramCache]: Analyzing trace with hash 254828895, now seen corresponding path program 1 times [2018-12-09 02:19:57,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:19:57,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:57,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:57,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:19:57,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:19:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 968 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-12-09 02:19:57,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:57,812 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:19:57,812 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1111 with the following transitions: [2018-12-09 02:19:57,812 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:19:57,815 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:19:57,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:19:58,326 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:19:58,326 INFO L272 AbstractInterpreter]: Visited 252 different actions 1011 times. Merged at 10 different actions 35 times. Widened at 1 different actions 1 times. Performed 11874 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11874 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 02:19:58,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:19:58,328 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:19:58,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:19:58,328 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:19:58,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:19:58,334 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:19:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:19:58,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:19:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 1436 proven. 2 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2018-12-09 02:19:58,767 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:19:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 968 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-12-09 02:19:59,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 02:19:59,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-09 02:19:59,225 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 02:19:59,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 02:19:59,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 02:19:59,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 02:19:59,227 INFO L87 Difference]: Start difference. First operand 9414 states and 10408 transitions. Second operand 10 states. [2018-12-09 02:20:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:20:01,961 INFO L93 Difference]: Finished difference Result 17735 states and 19616 transitions. [2018-12-09 02:20:01,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 02:20:01,961 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1110 [2018-12-09 02:20:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:20:01,976 INFO L225 Difference]: With dead ends: 17735 [2018-12-09 02:20:01,976 INFO L226 Difference]: Without dead ends: 9340 [2018-12-09 02:20:01,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2251 GetRequests, 2227 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-09 02:20:01,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9340 states. [2018-12-09 02:20:02,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9340 to 8977. [2018-12-09 02:20:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8977 states. [2018-12-09 02:20:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8977 states to 8977 states and 9660 transitions. [2018-12-09 02:20:02,062 INFO L78 Accepts]: Start accepts. Automaton has 8977 states and 9660 transitions. Word has length 1110 [2018-12-09 02:20:02,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:20:02,063 INFO L480 AbstractCegarLoop]: Abstraction has 8977 states and 9660 transitions. [2018-12-09 02:20:02,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 02:20:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 8977 states and 9660 transitions. [2018-12-09 02:20:02,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1132 [2018-12-09 02:20:02,072 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:20:02,073 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:20:02,073 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:20:02,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:02,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1401702779, now seen corresponding path program 1 times [2018-12-09 02:20:02,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:20:02,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:02,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:02,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:02,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:20:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 1038 proven. 618 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2018-12-09 02:20:02,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:02,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:20:02,820 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1132 with the following transitions: [2018-12-09 02:20:02,820 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:20:02,822 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:20:02,822 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:20:03,575 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:20:03,576 INFO L272 AbstractInterpreter]: Visited 285 different actions 1139 times. Merged at 8 different actions 31 times. Widened at 1 different actions 1 times. Performed 13741 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13741 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 02:20:03,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:03,577 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:20:03,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:03,577 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:20:03,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:03,583 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:20:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:03,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:20:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 02:20:04,007 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:20:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2111 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-12-09 02:20:04,356 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 02:20:04,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 02:20:04,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:20:04,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 02:20:04,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 02:20:04,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:20:04,358 INFO L87 Difference]: Start difference. First operand 8977 states and 9660 transitions. Second operand 3 states. [2018-12-09 02:20:04,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:20:04,902 INFO L93 Difference]: Finished difference Result 17272 states and 18635 transitions. [2018-12-09 02:20:04,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 02:20:04,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1131 [2018-12-09 02:20:04,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:20:04,917 INFO L225 Difference]: With dead ends: 17272 [2018-12-09 02:20:04,918 INFO L226 Difference]: Without dead ends: 8977 [2018-12-09 02:20:04,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2274 GetRequests, 2263 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:20:04,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8977 states. [2018-12-09 02:20:04,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8977 to 8977. [2018-12-09 02:20:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8977 states. [2018-12-09 02:20:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8977 states to 8977 states and 9605 transitions. [2018-12-09 02:20:04,994 INFO L78 Accepts]: Start accepts. Automaton has 8977 states and 9605 transitions. Word has length 1131 [2018-12-09 02:20:04,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:20:04,995 INFO L480 AbstractCegarLoop]: Abstraction has 8977 states and 9605 transitions. [2018-12-09 02:20:04,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 02:20:04,995 INFO L276 IsEmpty]: Start isEmpty. Operand 8977 states and 9605 transitions. [2018-12-09 02:20:05,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2018-12-09 02:20:05,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:20:05,010 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:20:05,010 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:20:05,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:05,011 INFO L82 PathProgramCache]: Analyzing trace with hash -557185419, now seen corresponding path program 1 times [2018-12-09 02:20:05,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:20:05,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:05,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:05,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:05,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:20:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2531 backedges. 1312 proven. 687 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2018-12-09 02:20:05,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:05,890 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:20:05,890 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1203 with the following transitions: [2018-12-09 02:20:05,890 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:20:05,892 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:20:05,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:20:06,694 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:20:06,694 INFO L272 AbstractInterpreter]: Visited 286 different actions 1142 times. Merged at 9 different actions 30 times. Never widened. Performed 13818 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13818 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 02:20:06,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:06,695 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:20:06,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:06,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:20:06,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:06,701 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:20:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:06,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:20:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2531 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-12-09 02:20:07,189 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:20:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2531 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-12-09 02:20:07,573 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 02:20:07,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 02:20:07,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:20:07,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 02:20:07,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 02:20:07,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:20:07,574 INFO L87 Difference]: Start difference. First operand 8977 states and 9605 transitions. Second operand 3 states. [2018-12-09 02:20:08,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:20:08,163 INFO L93 Difference]: Finished difference Result 17272 states and 18518 transitions. [2018-12-09 02:20:08,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 02:20:08,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1202 [2018-12-09 02:20:08,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:20:08,172 INFO L225 Difference]: With dead ends: 17272 [2018-12-09 02:20:08,172 INFO L226 Difference]: Without dead ends: 8977 [2018-12-09 02:20:08,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2418 GetRequests, 2406 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 02:20:08,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8977 states. [2018-12-09 02:20:08,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8977 to 8975. [2018-12-09 02:20:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8975 states. [2018-12-09 02:20:08,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 9438 transitions. [2018-12-09 02:20:08,244 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 9438 transitions. Word has length 1202 [2018-12-09 02:20:08,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:20:08,244 INFO L480 AbstractCegarLoop]: Abstraction has 8975 states and 9438 transitions. [2018-12-09 02:20:08,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 02:20:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 9438 transitions. [2018-12-09 02:20:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1347 [2018-12-09 02:20:08,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:20:08,256 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:20:08,256 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:20:08,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:08,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1323020509, now seen corresponding path program 1 times [2018-12-09 02:20:08,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:20:08,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:08,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:08,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:08,257 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:20:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3967 backedges. 1500 proven. 68 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-12-09 02:20:09,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:09,589 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:20:09,590 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1347 with the following transitions: [2018-12-09 02:20:09,590 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:20:09,592 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:20:09,592 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:20:10,025 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:20:10,025 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 12039 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12039 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 02:20:10,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:10,027 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:20:10,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:10,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:20:10,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:10,034 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:20:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:10,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:20:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3967 backedges. 2733 proven. 6 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2018-12-09 02:20:10,786 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:20:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3967 backedges. 1685 proven. 360 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2018-12-09 02:20:12,035 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 02:20:12,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 22 [2018-12-09 02:20:12,035 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 02:20:12,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 02:20:12,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 02:20:12,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2018-12-09 02:20:12,036 INFO L87 Difference]: Start difference. First operand 8975 states and 9438 transitions. Second operand 17 states. [2018-12-09 02:20:15,370 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 02:20:20,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:20:20,880 INFO L93 Difference]: Finished difference Result 20395 states and 21562 transitions. [2018-12-09 02:20:20,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-09 02:20:20,880 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1346 [2018-12-09 02:20:20,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:20:20,893 INFO L225 Difference]: With dead ends: 20395 [2018-12-09 02:20:20,893 INFO L226 Difference]: Without dead ends: 11061 [2018-12-09 02:20:20,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2780 GetRequests, 2716 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 890 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=662, Invalid=2998, Unknown=0, NotChecked=0, Total=3660 [2018-12-09 02:20:20,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11061 states. [2018-12-09 02:20:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11061 to 10654. [2018-12-09 02:20:20,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10654 states. [2018-12-09 02:20:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10654 states to 10654 states and 11082 transitions. [2018-12-09 02:20:20,985 INFO L78 Accepts]: Start accepts. Automaton has 10654 states and 11082 transitions. Word has length 1346 [2018-12-09 02:20:20,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:20:20,986 INFO L480 AbstractCegarLoop]: Abstraction has 10654 states and 11082 transitions. [2018-12-09 02:20:20,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 02:20:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 10654 states and 11082 transitions. [2018-12-09 02:20:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1908 [2018-12-09 02:20:21,005 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 02:20:21,006 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 02:20:21,006 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 02:20:21,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1113505353, now seen corresponding path program 1 times [2018-12-09 02:20:21,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 02:20:21,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:21,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:21,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 02:20:21,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 02:20:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6411 backedges. 2087 proven. 64 refuted. 0 times theorem prover too weak. 4260 trivial. 0 not checked. [2018-12-09 02:20:22,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:22,255 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 02:20:22,255 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1908 with the following transitions: [2018-12-09 02:20:22,256 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1540], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 02:20:22,259 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 02:20:22,259 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 02:20:23,101 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 02:20:23,101 INFO L272 AbstractInterpreter]: Visited 302 different actions 1207 times. Merged at 10 different actions 31 times. Never widened. Performed 14620 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14620 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 02:20:23,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:20:23,103 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 02:20:23,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 02:20:23,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 02:20:23,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 02:20:23,109 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 02:20:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:20:23,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 02:20:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6411 backedges. 609 proven. 0 refuted. 0 times theorem prover too weak. 5802 trivial. 0 not checked. [2018-12-09 02:20:24,166 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 02:20:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6411 backedges. 609 proven. 0 refuted. 0 times theorem prover too weak. 5802 trivial. 0 not checked. [2018-12-09 02:20:25,102 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 02:20:25,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-09 02:20:25,102 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 02:20:25,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 02:20:25,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 02:20:25,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 02:20:25,104 INFO L87 Difference]: Start difference. First operand 10654 states and 11082 transitions. Second operand 3 states. [2018-12-09 02:20:25,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 02:20:25,718 INFO L93 Difference]: Finished difference Result 26062 states and 27242 transitions. [2018-12-09 02:20:25,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 02:20:25,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1907 [2018-12-09 02:20:25,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 02:20:25,719 INFO L225 Difference]: With dead ends: 26062 [2018-12-09 02:20:25,719 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 02:20:25,732 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3820 GetRequests, 3815 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 02:20:25,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 02:20:25,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 02:20:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 02:20:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 02:20:25,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1907 [2018-12-09 02:20:25,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 02:20:25,733 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 02:20:25,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 02:20:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 02:20:25,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 02:20:25,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 02:20:25,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:25,957 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 267 [2018-12-09 02:20:26,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 02:20:26,412 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 287 [2018-12-09 02:20:27,058 WARN L180 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 62 [2018-12-09 02:20:27,911 WARN L180 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 113 [2018-12-09 02:20:28,787 WARN L180 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 102 [2018-12-09 02:20:30,451 WARN L180 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 319 DAG size of output: 123 [2018-12-09 02:20:32,204 WARN L180 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 289 DAG size of output: 59 [2018-12-09 02:20:32,205 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,206 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,207 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse21 (= 3 |old(~a15~0)|)) (.cse20 (= 5 |old(~a12~0)|))) (let ((.cse12 (= 9 |old(~a16~0)|)) (.cse8 (= 4 |old(~a15~0)|)) (.cse19 (and .cse21 .cse20 (= 8 |old(~a16~0)|))) (.cse2 (not .cse21)) (.cse15 (not .cse20)) (.cse4 (<= ~a18~0 |old(~a18~0)|)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse6 (= ~a16~0 |old(~a16~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0))) (let ((.cse16 (not (= (+ |old(~a18~0)| 87) 0))) (.cse18 (= (+ ~a18~0 87) 0)) (.cse17 (not (= 11 |old(~a16~0)|))) (.cse11 (< 6 |old(~a12~0)|)) (.cse3 (not (= 7 |old(~a12~0)|))) (.cse0 (and .cse4 .cse5 .cse6 .cse7)) (.cse14 (or .cse19 (or .cse2 .cse15 (= 0 |old(~a16~0)|)))) (.cse13 (< |old(~a15~0)| 4)) (.cse1 (or .cse19 .cse12 .cse8)) (.cse9 (< (+ |old(~a18~0)| 44) 0)) (.cse10 (<= 0 (+ ~a18~0 44)))) (and (or .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79))) .cse5 .cse6 .cse7) (and (<= (+ |old(~a18~0)| 79) 0) (< 0 (+ |old(~a18~0)| 156)))) (or (< |old(~a12~0)| 7) .cse8 .cse9 (and .cse10 .cse4 .cse5 .cse6 .cse7)) (or .cse10 .cse11 .cse12 .cse9 .cse13) (or .cse9 .cse10 .cse14) (or .cse10 .cse9 (< 8 |old(~a16~0)|) .cse13) (or .cse2 .cse15 .cse16 .cse17 .cse18) (or (or .cse2 .cse16 (not (= 6 |old(~a12~0)|))) .cse18 .cse17) (or .cse11 .cse0 .cse13) (or .cse3 .cse9 .cse10 (not .cse12)) (or .cse0 .cse14) (or (= 10 |old(~a16~0)|) (and (= |old(~a16~0)| ~a16~0) .cse4 .cse5 .cse7) .cse13) (or (and .cse4 (and .cse6 .cse5) .cse7) (or .cse8 (not (= 8 |old(~a12~0)|)))) (or .cse1 .cse9 .cse10))))) [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,208 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,209 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse13 (not (= 3 |old(~a15~0)|))) (.cse15 (not (= 5 |old(~a12~0)|))) (.cse12 (= |calculate_output_#in~input| 0)) (.cse7 (<= ~a18~0 |old(~a18~0)|)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse9 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= |old(~a12~0)| ~a12~0)) (.cse21 (= ~a15~0 3))) (let ((.cse14 (not (= 11 |old(~a16~0)|))) (.cse4 (not .cse21)) (.cse6 (= 4 |old(~a15~0)|)) (.cse5 (< 8 |old(~a16~0)|)) (.cse0 (< 6 |old(~a12~0)|)) (.cse18 (< 0 (+ ~a18~0 79))) (.cse19 (and .cse7 .cse8 .cse9 .cse10)) (.cse20 (< |old(~a15~0)| 4)) (.cse17 (not (= 7 |old(~a12~0)|))) (.cse1 (= 9 |old(~a16~0)|)) (.cse2 (< (+ |old(~a18~0)| 44) 0)) (.cse3 (<= 0 (+ ~a18~0 44))) (.cse11 (or .cse13 .cse15 (= 0 |old(~a16~0)|) .cse12)) (.cse16 (not (= calculate_output_~input 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) .cse4) .cse5) (or (< |old(~a12~0)| 7) .cse6 .cse2 (and .cse3 .cse7 .cse8 .cse9 .cse10)) (or (and .cse7 (and (= 8 ~a12~0) .cse9 .cse8)) (or .cse6 (not (= 8 |old(~a12~0)|)))) (or .cse11 (and .cse7 .cse9 .cse10)) (or .cse12 (and (or .cse13 (not (= 6 |old(~a12~0)|)) .cse14) (or .cse13 .cse15 .cse14)) (not (= (+ |old(~a18~0)| 87) 0)) (= (+ ~a18~0 87) 0)) (or (or .cse13 (= 0 |old(~a12~0)|) .cse12) .cse16 .cse14) (or (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse17 .cse4 .cse18) .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse6)) (or .cse3 .cse2 .cse5) (or .cse0 .cse19 .cse20) (or .cse13 (and .cse7 (or (<= (+ ~a18~0 156) 0) .cse18) .cse8 .cse9 .cse10) .cse17 (and (<= (+ |old(~a18~0)| 79) 0) (< 0 (+ |old(~a18~0)| 156)))) (or .cse19 (= 10 |old(~a16~0)|) .cse20) (or .cse17 .cse2 .cse3 (not .cse1)) (or .cse2 .cse11 .cse3) (or .cse11 (and .cse21 .cse16))))) [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 02:20:32,210 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,211 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,212 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,213 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,214 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,215 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,216 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,217 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (not (= 3 |old(~a15~0)|))) (.cse21 (not (= 5 |old(~a12~0)|))) (.cse20 (not (= (+ |old(~a18~0)| 87) 0))) (.cse18 (not (= 11 |old(~a16~0)|)))) (let ((.cse19 (or .cse5 .cse21 .cse20 .cse18)) (.cse16 (= |old(~a16~0)| ~a16~0)) (.cse7 (<= ~a18~0 |old(~a18~0)|)) (.cse9 (= |old(~a15~0)| ~a15~0)) (.cse11 (= |old(~a12~0)| ~a12~0)) (.cse15 (= |calculate_output_#in~input| 0))) (let ((.cse0 (< 6 |old(~a12~0)|)) (.cse13 (or .cse5 .cse21 (= 0 |old(~a16~0)|) .cse15)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse4 (and .cse16 .cse7 .cse9 .cse11)) (.cse14 (and (or (not (= 8 |old(~a16~0)|)) .cse5 .cse21) .cse19)) (.cse8 (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (.cse12 (and (<= (+ |old(~a18~0)| 79) 0) (< 0 (+ |old(~a18~0)| 156)))) (.cse6 (not (= 7 |old(~a12~0)|))) (.cse1 (= 9 |old(~a16~0)|)) (.cse17 (= 4 |old(~a15~0)|)) (.cse2 (< (+ |old(~a18~0)| 44) 0)) (.cse3 (<= 0 (+ ~a18~0 44)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse4 (= 10 |old(~a16~0)|) (< |old(~a15~0)| 4)) (or .cse3 .cse2 .cse13) (or (< 134 ~a18~0) .cse14 (<= |old(~a18~0)| 134) .cse15) (or (and .cse16 .cse7 (= ~a15~0 |old(~a15~0)|) .cse11) .cse13) (or (or .cse17 (not (= 8 |old(~a12~0)|))) (and .cse7 (and (= 8 ~a12~0) .cse10 .cse9))) (or (or .cse1 .cse17) .cse4) (or .cse3 .cse2 (< 8 |old(~a16~0)|)) (or .cse14 .cse8 .cse12 .cse15) (or .cse6 .cse2 .cse3 (not .cse1)) (or (= (+ ~a18~0 87) 0) .cse15 (and (or .cse5 (not (= 6 |old(~a12~0)|)) .cse18) .cse19) .cse20) (or (< |old(~a12~0)| 7) .cse17 .cse2 (and .cse3 .cse16 .cse7 .cse9 .cse11)))))) [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 02:20:32,218 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 02:20:32,219 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,220 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,221 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,222 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,223 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,224 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,225 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,226 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,227 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,228 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,229 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 02:20:32,230 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,231 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,231 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 02:20:32,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 02:20:32,231 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 02:20:32,231 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 02:20:32,231 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 02:20:32,231 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|))) [2018-12-09 02:20:32,231 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 02:20:32,231 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (not (= ~a15~0 4))) (.cse2 (not (= ~a16~0 9))) (.cse0 (= ~a15~0 3))) (or (and .cse0 (= 7 ~a12~0) (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse1 .cse2) (and (= 8 ~a12~0) .cse1) (not (= 5 |old(~a12~0)|)) (and (<= 7 ~a12~0) .cse1 (<= 0 (+ ~a18~0 44))) (and (not (= ~a16~0 10)) (<= 4 ~a15~0)) (and (<= ~a12~0 6) .cse2) (and (not (= main_~input~0 0)) .cse0 (= ~a12~0 5)))) [2018-12-09 02:20:32,231 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 02:20:32,231 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 02:20:32,232 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (= ~a15~0 3)) (.cse1 (not (= ~a15~0 4))) (.cse2 (not (= ~a16~0 9)))) (or (and .cse0 (= 7 ~a12~0) (or (<= (+ ~a18~0 156) 0) (< 0 (+ ~a18~0 79)))) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse1 .cse2) (and (= 8 ~a12~0) .cse1) (and .cse0 (= ~a12~0 5)) (not (= 5 |old(~a12~0)|)) (and (<= 7 ~a12~0) .cse1 (<= 0 (+ ~a18~0 44))) (and (not (= ~a16~0 10)) (<= 4 ~a15~0)) (and (<= ~a12~0 6) .cse2))) [2018-12-09 02:20:32,232 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 02:20:32,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:20:32 BoogieIcfgContainer [2018-12-09 02:20:32,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 02:20:32,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 02:20:32,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 02:20:32,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 02:20:32,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:14:18" (3/4) ... [2018-12-09 02:20:32,244 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 02:20:32,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 02:20:32,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 02:20:32,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 02:20:32,249 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 02:20:32,265 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 02:20:32,266 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 02:20:32,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((a15 == 3 && 7 == a12) && (a18 + 156 <= 0 || 0 < a18 + 79)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(a15 == 4) && !(a16 == 9))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && a12 == 5)) || !(5 == \old(a12))) || ((7 <= a12 && !(a15 == 4)) && 0 <= a18 + 44)) || (!(a16 == 10) && 4 <= a15)) || (a12 <= 6 && !(a16 == 9)) [2018-12-09 02:20:32,383 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b388de50-44c4-4320-aa1a-00e100d816e8/bin-2019/utaipan/witness.graphml [2018-12-09 02:20:32,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 02:20:32,384 INFO L168 Benchmark]: Toolchain (without parser) took 375918.95 ms. Allocated memory was 1.0 GB in the beginning and 5.6 GB in the end (delta: 4.6 GB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -307.0 MB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-09 02:20:32,384 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:20:32,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-12-09 02:20:32,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:20:32,385 INFO L168 Benchmark]: Boogie Preprocessor took 60.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 02:20:32,385 INFO L168 Benchmark]: RCFGBuilder took 1282.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.9 MB in the end (delta: 251.3 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. [2018-12-09 02:20:32,385 INFO L168 Benchmark]: TraceAbstraction took 373888.64 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.5 GB). Free memory was 856.9 MB in the beginning and 1.4 GB in the end (delta: -518.2 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-09 02:20:32,386 INFO L168 Benchmark]: Witness Printer took 142.36 ms. Allocated memory is still 5.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:20:32,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1282.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 856.9 MB in the end (delta: 251.3 MB). Peak memory consumption was 251.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 373888.64 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.5 GB). Free memory was 856.9 MB in the beginning and 1.4 GB in the end (delta: -518.2 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 142.36 ms. Allocated memory is still 5.6 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 205]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: (((((((((((a15 == 3 && 7 == a12) && (a18 + 156 <= 0 || 0 < a18 + 79)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (!(a15 == 4) && !(a16 == 9))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && a12 == 5)) || !(5 == \old(a12))) || ((7 <= a12 && !(a15 == 4)) && 0 <= a18 + 44)) || (!(a16 == 10) && 4 <= a15)) || (a12 <= 6 && !(a16 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 373.8s OverallTime, 16 OverallIterations, 10 TraceHistogramMax, 339.7s AutomataDifference, 0.0s DeadEndRemovalTime, 6.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2393 SDtfs, 28155 SDslu, 2194 SDs, 0 SdLazy, 59191 SolverSat, 7315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 309.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 22858 GetRequests, 22522 SyntacticMatches, 28 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2961 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10654occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.7s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.99786287239743 AbsIntWeakeningRatio, 0.06878022568511553 AbsIntAvgWeakeningVarsNumRemoved, 16.105319720580333 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 3465 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 852 PreInvPairs, 1023 NumberOfFragments, 1465 HoareAnnotationTreeSize, 852 FomulaSimplifications, 117371 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 85366 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 22888 NumberOfCodeBlocks, 22888 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 33149 ConstructedInterpolants, 0 QuantifiedInterpolants, 80427022 SizeOfPredicates, 9 NumberOfNonLiveVariables, 13483 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 34 InterpolantComputations, 9 PerfectInterpolantSequences, 73835/78329 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...